question_answer

Which of the following statements are correct with respect to the effect of trifluoromethyl group\[(C{{F}_{3}}),\]on an electrophilic aromatic substitution?

A)  The\[C{{F}_{3}}\]group will deactivate the ring

B)  The\[C{{F}_{3}}\]group will activate the ring

C)  The\[C{{F}_{3}}\]group will be ortho, para director

D)  The\[C{{F}_{3}}\]group will be a meta director

Correct Answer: A

Solution :

                Trifluoromethyl group\[(C{{F}_{3}})\] is m-directing group and it will deactivate the ring.